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Posted to dev@tomcat.apache.org by bu...@apache.org on 2007/03/31 00:57:32 UTC
DO NOT REPLY [Bug 42003] New: - Need to increase the maximum buffer size for HTTP header from 16k to 64k.
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Summary: Need to increase the maximum buffer size for HTTP header
from 16k to 64k.
Product: Tomcat 5
Version: 5.5.20
Platform: PC
OS/Version: Windows Server 2003
Status: NEW
Severity: critical
Priority: P1
Component: Native:JK
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: calin.gruita@siemens.com
CC: calin.gruita@siemens.com
Currently the maximum buffer size for HTTP headers in the native JK connector
is 16k. However, this size is not sufficient in case the HTTP header is larger
than 16k (i.e. large Kerberos Tickets). If such a case arises an error of the
type �[error] jk_isapi_plugin.c (1135): failed to init service for request�
gets raised. For this reason the maximum buffer size, which currently is hard-
coded to 16k, must be increased to 64k.
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DO NOT REPLY [Bug 42003] - Need to increase the maximum buffer size for HTTP header from 16k to 64k.
Posted by bu...@apache.org.
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------- Additional Comments From calin.gruita@siemens.com 2007-03-30 16:05 -------
The code change required to fix this bug is to modify line# 1498 in the
jk_isapi_plugin.c file to look like this:
char huge_buf[64 * 1024]; /* should be enough for all */
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DO NOT REPLY [Bug 42003] - Need to increase the maximum buffer size for HTTP header from 16k to 64k.
Posted by bu...@apache.org.
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------- Additional Comments From rainer.jung@kippdata.de 2007-11-02 19:17 -------
Please try combining
native\iis\jk_isapi_plugin.c(1977): char huge_buf[64 * 1024];
with the attribute max_packet_size first. See the description on the docs page
http://tomcat.apache.org/connectors-doc/reference/workers.html
especially for the related config parameter on the Tomcat side.
Please report your findings back.
Thanks!
Rainer
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DO NOT REPLY [Bug 42003] - Need to increase the maximum buffer size for HTTP header from 16k to 64k.
Posted by bu...@apache.org.
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rainer.jung@kippdata.de changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
------- Additional Comments From rainer.jung@kippdata.de 2008-01-01 16:32 -------
Move a couple of fixed JK issues from resolved to closed.
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DO NOT REPLY [Bug 42003] - Need to increase the maximum buffer size for HTTP header from 16k to 64k.
Posted by bu...@apache.org.
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rainer.jung@kippdata.de changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
------- Additional Comments From rainer.jung@kippdata.de 2007-12-18 06:29 -------
This should have been fixed by Mladens commit r594798 on 2007-11-14: Fix Bz
42003 by dynamically allocating memory.
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DO NOT REPLY [Bug 42003] - Need to increase the maximum buffer size for HTTP header from 16k to 64k.
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------- Additional Comments From cjohnson702@gmail.com 2007-10-31 08:23 -------
The buffer size can be increased by modifying the source code associated with
the iis dll and the AJP protocol. I was only successful in producing a working
dll by using Visual Studio 6 sp5 with the associated x86 makefile. The iis dll
code base requires the following changes are made:
native\iis\jk_isapi_plugin.c(1977): char huge_buf[64 * 1024];
native\common\jk_ajp12_worker.c(38): #define READ_BUF_SIZE (64*1024)
native\common\jk_ajp13.h(39): #define AJP13_READ_BUF_SIZE (64*1024)
native\common\jk_ajp14.h(41): #define AJP14_READ_BUF_SIZE (64*1024)
native\common\jk_msg_buff.h(34): #define DEF_BUFFER_SZ (64 * 1024)
native\common\jk_sockbuf.h(26): #define SOCKBUF_SIZE (64*1024)
native\common\jk_status.c(39): #define HUGE_BUFFER_SIZE (64*1024)
native\common\jk_util.c(115): #define HUGE_BUFFER_SIZE (64*1024)
In addition the following change will need to be made to one of the AJP protocol
classes:
\jk\java\org\apache\coyote\Constants.java(95): public static final int
MAX_PACKET_SIZE = 65536;
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